BORRAGINACE^. (bORAGE FAMILY.) 365 



or somewhat spatulate ; calyx-lobes as long as its tube ; limb of corolla 2 or 

 3" broad, paler blue. (M. palustris, var. laxa, Gray.) — In water and wet 

 ground, Newf. to N. Y. (Eu.) 



* * Cali/x closing or the lobes erect in fruit, clothed with spreading hairs, some 

 minute! 1/ hooked or gland-tipped ; corolla small ; annual or biennial. 



2. M. arvensis, Hoffm. Hirsute with spreading hairs, erect or ascend- 

 ing (6-15' high) ; leaves oblong-lanceolate, acutish ; racemes naked at the base 

 and stalked; corolla blue, rarely white; pedicels spreading in fruit and longei 

 than the 5-cleft equal calyx. — Fields, etc. ; not very common. (Eu.) 



3. M. verna, Nutt. Bristly-hirsute, branched from the base, erect (4- 



12' high); leaves obtuse, linear-oblong, or the lower spatulate-ol)long ; racemes 



leafy at the base ; corolla very small, white, with a short liml) ; pedicels in fruit 



erect and appressed at the base, usually abruptly bent outward near the apex, 



rather shorter than the deeply b-cleft unequal (somewhat 2-lipped) very hispid 



calyx. — Dry ground, rather common. May - July. 



M. VERSICOLOR, Pers. More slender than the last, simple at base ; racemes 

 loose, mostly naked at base; flowers almost sessile ; corolla /)ale yellow chang' 

 ing to blue or violet; calyx deeply and equally 5-cleft. — Fields, Del. (Xat- 

 from Eu.) 



7. LITHOSPERMUM, Tourn. Gromwell. Puccoon. 



Corolla funnel-form, or sometimes salver-shaped ; the open throat naked, or 

 with a more or less evident transverse fold or scale-like appendage opposite 

 each lobe ; the spreading limb 5-cleft, its lobes rounded. Anthers oblong, 

 almost sessile, included. Nutlets ovate, smooth or roughened, mostly bony or 

 stony, fixed by the base ; scar nearly flat. — Herbs, Mith thickish and commonly 

 red roots and sessile leaves ; flowers solitary and as if axillary, or spiked and 

 leafy-bracted, sometimes dimorphous as to insertion of stamens and lengtli of 

 style. (Name formed of \idos, stone, and a-irdp/jLa, seed, from the hard nutlets.) 



§ 1. Nutlets tubercled or rough-ivrinkled and pitted, gray and dull ; throat of tlw 

 {nearly ivhite) corolla destitute of any evident folds or appendages. 



Ii. ARVEXSE, L. (Corn Gromwell.) Minutely rough-hoary, annual or 

 biennial; stems erect (6-12' high); leaves lanceolate or linear, veinless; 

 corolla scarcely longer than the calyx. — Sandy banks and roadsides. May- 

 Aug. (Nat. from Eu.) 



§ 2. Nutlets smooth and shining, white like ivory ; corolla greenish-white or pale- 

 yellow, small, with 5 distinct pubescent scales in the throat ; perennial. 



L. officin\le, L. (Common Gromw^ell.) Much branched above, erect 

 (1-2° high); leaves thinnish, broadly lanceolate, acute, with a fcAV distinct 

 veins, rough above, soft-pubescent beneath ; corolla exceeding the calyx. — 

 Roadsides, N. Eng. to Minn. ■ (Nat. from Eu.) 



1. L. latifolium, Michx. Stem loosely branched, erect (2-3° high), 

 rough; leaves ovate and ovate-lanceolate, mostly taper-pointed (even tlie floral 

 ones 2-4' long), ribbed-veined, roughish above, finely soft-pubescent beneath, 

 tlie root-leaves large and rounded ; corolla shorter than the calyx. — Open 

 ground and borders of woods, W. New York to INIinn., south to Va. and Ark. 



§3. BATSCHIA. Nutlets white, smooth and shining; corolla large, salver^ 

 form or nearly so, deep orange-yellow, somewhat pubescent, tlie tube much 



